Combined frame for an electromechanical box

ABSTRACT

A combined frame for an electromechanical box has eight transversal beams, eight major connectors and four longitudinal columns. Each transversal beam has a body, two side covers and two fasteners. The side covers are securely mounted on the body and each has a fastening hole. The fasteners are respectively connected to the fastening holes of the side covers. Each major connector is connected to two adjacent transversal beams and has an internal surface, an external surface, a bottom, a top, an abutting wall, two through holes and a mounting hole. The longitudinal columns are connected to the major connectors between the transversal beams and each longitudinal column has a body, two minor connectors and two fixing elements. The minor connectors are respectively and securely mounted in the body and are respectively connected to the major connectors.

The present invention is a divisional application of application Ser.No. 13/541,451 filed on Jul. 3, 2012.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a combined frame, and more particularlyto a combined frame for an electromechanical box that can be assembledand positioned easily, can be assembled and carried conveniently toreduce the cost of transportation.

2. Description of Related Art

A conventional frame for an electromechanical box is assembled bymultiple beams, multiple columns and multiple corner connectors. Afterassembling the beams, the columns and the corner connectors of theconventional frame, the beams, the columns and the corner connectors areconnected to each other by welding. When the conventional frame ismanufactured, the assemblement between the beams, the columns and thecorner connectors is difficult and needs to be done in the manufacturingfactory. The large space of the conventional frame will increase thecosts for transporting the conventional frame.

Furthermore, a conventional combined frame is assembled by multiplemodular connectors, multiple beams and multiple columns. The modularconnectors are used to the replace the corner connectors of theconventional frame to solve the problem of difficult assemblement of thecorner connectors. However, the beams, the columns and the modularconnectors are securely connected to each other by welding afterassembling, the fixed structure of the conventional combined frame cannot be detached and the large space that the conventional combined frameoccupies will increase the costs for transporting the conventionalcombined frame.

The combined frame for an electromechanical box in accordance with thepresent invention mitigates or obviates the aforementioned problems.

SUMMARY OF THE INVENTION

The main objective of the present invention is to provide a combinedframe for an electromechanical box that can be assembled and positionedeasily, can be assembled without welding and carried conveniently toreduce the cost of transportation.

The combined frame for an electromechanical box in accordance with thepresent invention has eight transversal beams, eight major connectorsand four longitudinal columns. Each transversal beam has a body, twoside covers and two fasteners. The side covers are securely mounted onthe body and each has a fastening hole. The fasteners are respectivelyconnected to the fastening holes of the side covers. Each majorconnector is connected to two adjacent transversal beams and has aninternal surface, an external surface, a bottom, a top, an abuttingwall, two through holes and a mounting hole. The longitudinal columnsare connected to the major connectors between the transversal beams andeach longitudinal column has a body, two minor connectors and two fixingelements. The minor connectors are respectively and securely mounted inthe body and are respectively connected to the major connectors. Thefixing elements are mounted through the minor connectors and aresecurely mounted in the corresponding major connectors to connect thelongitudinal column securely with the corresponding major connectors.

Other objects, advantages and novel features of the invention willbecome more apparent from the following detailed description when takenin conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of a first embodiment of a combined framefor an electromechanical box in accordance with the present invention;

FIG. 2 is an enlarged perspective view of a mounting frame of thecombined frame in FIG. 1;

FIG. 3 is an enlarged and exploded perspective view of the mountingframe of the combined frame in FIG. 2;

FIG. 4A is an enlarged perspective view of a transversal beam of thecombined frame in FIG. 1;

FIG. 4B is an enlarged perspective view of the transversal beam of thecombined frame in FIG. 4A;

FIG. 5 is an enlarged perspective view of a major connector of thecombined frame in FIG. 1;

FIG. 6 is another enlarged perspective view of a major connector of thecombined frame in FIG. 1;

FIG. 7 is an enlarged perspective view of a longitudinal column of thecombined frame in FIG. 1;

FIG. 8 is an enlarged and exploded perspective view of the combinedframe in FIG. 1;

FIG. 9 is another enlarged and exploded perspective view of the combinedframe in FIG. 1;

FIG. 10 is a perspective view of a second embodiment of a combined framefor an electromechanical box in accordance with the present invention;

FIG. 11 is an enlarged and exploded perspective view of the combinedframe in FIG. 10;

FIG. 12 is a perspective view of a third embodiment of a combined framefor an electromechanical box in accordance with the present invention;

FIG. 13 is an enlarged perspective view of a longitudinal column of thecombined frame in FIG. 12; and

FIG. 14 is an exploded and enlarged perspective view of a linking set ofthe longitudinal column in FIG. 13.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENT

With reference to FIG. 1, a combined frame in accordance with thepresent invention for an electromechanical box comprises eighttransversal beams 10, eight major connectors 20 and four longitudinalcolumns 30. With reference to FIGS. 2, 3, 4A and 4B, each transversalbeam 10 has a body 11, two side covers 12, two waterproof bars 13 andtwo fasteners 14. The body 11 is L-shaped in cross section and has anexternal surface, two ends, multiple holding holes and two mountingholes. The holding holes are formed in the external surface of the body11 at intervals between the ends of the body 11. The mounting holes arerespectively formed through the ends of the body 11.

The side covers 12 are L-shaped, are respectively and securely mountedin the mounting holes of the body 11, and each side cover 12 has aninner side, an outer side, a middle, a positioning bar 120 and afastening hole 121. The inner side of the side cover 12 abuts acorresponding end of the body 11. The positioning bar 120 may beL-shaped, is formed on and protrudes from the outer side of the sidecover 12 and has an external surface and an engaging slot 1201. Theengaging slot 1201 is formed in the external surface of the positioningbar 120. The fastening hole 121 is formed in the middle of the sidecover 12.

The waterproof bars 13 are respectively mounted on and abut the externalsurfaces of the positioning bars 120 of the side covers 12 andrespectively engage the engaging slots 1201 of the positioning bars 120.The fasteners 14 are respectively connected to the fastening holes 121of the side covers 12.

With reference to FIGS. 5 and 6, each major connector 20 may beL-shaped, is connected to two adjacent transversal beams 10 and has aninternal surface, an external surface, a bottom, a top, an abutting wall21, a positioning arm 22, two through holes 23, a mounting hole 24, apositioning recess 25, two positioning slots 26 and a waterproof bar 27.The internal surface of the major connector 20 has a middle face and twoside faces. The side faces are formed with the middle face. The externalsurface of the major connector 20 has two side faces respectivelyparallel the side faces of the internal surface of the major connector20.

The abutting wall 21 is defined on the middle face of the internalsurface of the major connector 20 between the side faces of the internalsurface of the major connector 20. The positioning arm 22 is formed onand protrudes from the bottom of the major connector 20 along theinternal surface and has an inner face and a mounting slot 220. Themounting slot 220 is formed in the inner face of the positioning arm 22.

The through holes 23 are respectively formed through the side faces ofthe internal surface and the external surface of the major connector 20above the positioning arm 22 and respectively align with two of thefastening holes 121 of the adjacent transversal beams 10. The mountinghole 24 is formed through the abutting wall 21 and the external surfaceof the major connector 20. The positioning recess 25 is formed in theabutting wall 21 between the mounting hole 24 and the top of the majorconnector 20.

The positioning slots 26 are respectively formed in the side faces ofthe external surface of the major connector 20 from the top to thepositioning arm 22 of the major connector 20 and have shapescorresponding to the positioning bars 120 of the adjacent transversalbeams 10. The waterproof bar 27 is mounted on and abuts the inner faceof the positioning arm 22 and engages the mounting slot 220 of thepositioning arm 22.

With reference to FIGS. 2 and 3, four of the adjacent transversal beams10 are connected to four of the major connectors 20 by the positioningslots 26 of the corresponding major connectors 20 respectively engagingthe positioning bars 120 of the corresponding adjacent transversal beams10 to enable the fastening holes 121 of the corresponding transversalbeams 10 to respectively align the though holes 23 of the correspondingmajor connectors 20. Then, the fasteners 14 are respectively connectedto the fastening holes 121 of the corresponding transversal beams 10 viathe corresponding through holes 23 of the corresponding major connectors20 to connect the corresponding transversal beams 10 with each other bythe corresponding major connectors 20 to form a rectangular mountingframe A, B. By the same means of assembling the other transversal beams10 and the other major connectors 20 to form another mounting frame A,B. With reference to FIG. 1, the two mounting frames A, B that areformed by the transversal beams 10 and the major connectors 20 arerespectively defined as a top mounting frame A and a bottom mountingframe B.

With reference to FIGS. 7, 8 and 9, the longitudinal columns 30 areconnected to the major connectors 20 between the mounting frames A, B,and each longitudinal column 30 has a body 31, two minor connectors 32and two fixing elements 33. The body 31 is a L-shaped in cross sectionand has an external surface, two ends, multiple holding holes and twomounting holes. The holding holes are formed in the external surface ofthe body 31 at intervals between the ends of the body 31. The mountingholes are respectively formed through the ends of the body 31.

The minor connectors 32 are respectively and securely mounted in themounting holes of the body 31 and are respectively connected to two ofthe major connectors 20, and each minor connector 32 has a locatingsegment 321, a mounting stud 322, an assembling hole 323 and a locatingprotrusion 324. The locating segment 321 is mounted in one of themounting holes of the body 31 and has a shape, a bottom, a top, amiddle, an external surface and a locating recess 3210. The shape of theminor locating segment 321 is corresponding to the shape of the mountingholes of the body 31. The locating recess 321 is formed in the externalsurface of the locating segment 321 at the bottom of the locatingsegment 321 and engages the positioning arm 22 of a corresponding majorconnector 20.

The mounting stud 322 may be semicircular in cross section, is formed onand protrudes from the top of the locating segment 321 at the middle ofthe locating segment 321 and abuts the internal surface of the majorconnector 20. The mounting stud 322 has an external surface and apressing wall 3220. The pressing wall 3220 is formed on the externalsurface of the mounting stud 322 and faces and abuts the abutting wall21 of the corresponding major connector 20. The assembling hole 323 istransversally formed through the mounting stud 322 between the pressingwall 3220 and the locating segment 321 and aligns with the mounting hole24 of the corresponding major connector 20. The locating protrusion 324is formed on and protrudes from the pressing wall 3220 of the mountingstud 322 above the assembling hole 323 and is mounted in the positioningrecess 25 of the corresponding major connector 20.

The fixing elements 33 are mounted through the assembling holes 323 ofthe minor connectors 32 and are securely mounted in the mounting holes24 of the corresponding major connectors 20 to connect the longitudinalcolumn 30 securely with the corresponding major connectors 20.

With reference to FIGS. 8 and 9, the longitudinal columns 30 aresecurely connected to the mounting frames A, B by the fixing elements 33mounting through the assembling holes 323 of the minor connectors 32 andsecurely mounting in the mounting holes 24 of the major connectors 20 toform the combined frame in accordance with the present invention shownin FIG. 1.

With further reference to FIGS. 1 and 2, in assembling, the mountingframes A, B that are formed by the transversal beams 10 and the majorconnectors 20 can be used as the top and the bottom of the combinedframe in accordance with the present invention, and the longitudinalcolumns 30 are respectively and securely connected to the majorconnectors 20 between the mounting frames A, B by the fixing elements 33to form the combined frame without welding. Therefore, the combinedframe in accordance with the present can be assembled or disassembledeasily, and can be transported and then be connected to each other toform the combined frame quickly and easily. Then, the combined frame canbe transported conveniently and the costs for transporting the combinedframe can be reduced. In addition, the waterproof bars 13, 27 aremounted between the assemblement of the transversal beams 10, the majorconnectors 20 and the longitudinal columns 30 to provide a waterproofeffect to the combined frame in accordance with the present invention.With reference to FIGS. 10 and 11, a second embodiment of a combinedframe for an electromechanical box in accordance with the presentinvention has the similar structures as the first embodiment of acombined frame for an electromechanical box. In addition, the combinedframe further has multiple supporting beams 40 connected between twoadjacent longitudinal columns 30 or two transversal beams 10 of themounting frames A, B to provide a preferred positioning effect to thecombined frame to prevent the combined frame from deforming In addition,the combined frame further has multiple assembling blocks 70 areconnected between two adjacent supporting beams 40, and each assemblingblock 70 has a block body 71, two holding wings 72, a limiting panel 73and a fastening board 74. The block body 71 is securely connected to oneof the two adjacent supporting beams 40 and has two sidewalls, a frontside and a rear side. The holding wings 72 are respectively formed withthe sidewalls of the block body 71 and abut the supporting beam 40 thatis securely connected to the block body 71. The limiting panel 73 isformed on and protrudes from the front side of the block body 71 andabuts with the other one of the two adjacent supporting beams 40. Thefastening board 74 is formed on and protrudes from the rear side of theblock body 71 and is securely connected to the supporting beam 40 thatabuts with the limiting panel 73. Then, the two adjacent supportingbeams 40 can be connected to each other by the assembling block 70.

Additionally, with reference to FIGS. 12 to 14, the third embodiment ofa combined frame for electromechanical box in accordance with thepresent invention has the similar structures as the first embodiment ofa combined frame for an electromechanical box. In addition, each one ofthe longitudinal columns 30 further has multiple linking sets mounted onthe body 31 of the corresponding longitudinal column 30 at intervals toconnect a longitudinal column 30 of an adjacent combined frame. Eachlinking set has two linking blocks 50 and a connecting base 60. Eachlinking block 50 is detachably mounted on the body 31 of a correspondinglongitudinal column 30 by fasteners and has a connecting tab 51 formedon and protrudes from an outer side of the block 50. The connecting tab51 of the linking block 50 of the longitudinal column 30 of the combinedframe is connected to the connecting tab 51 of the linking block 50 of alongitudinal column 30 of an adjacent combined frame. The connectingbase 60 is mounted around the connecting tabs 51 of the correspondinglinking blocks 50 of the two adjacent combined frames and has two bolts61 respectively and securely screwed to the connecting tabs 51 of thecorresponding linking blocks 50 to connect the longitudinal columns 30of the two adjacent combined frames with each other.

Even though numerous characteristics and advantages of the presentinvention have been set forth in the foregoing description, togetherwith details of the structure and function of the invention, thedisclosure is illustrative only, and changes may be made in detail,especially in matters of shape, size, and arrangement of parts withinthe principles of the invention to the full extent indicated by thebroad general meaning of the terms in which the appended claims areexpressed.

What is claimed is:
 1. A combined frame for an electromechanical boxhaving eight transversal beams, and each transversal beam having a bodyhaving two ends; two side covers respectively and securely mounted onthe ends of the body, and each side cover having an inner side abuttinga corresponding end of the body; an outer side; a middle; and afastening hole formed in the middle of the side cover; and two fastenersrespectively connected to the fastening holes of the side covers; eightmajor connectors, and each major connector connected to adjacent two ofthe transversal beams and having an internal surface having a middleface; and two side faces formed with the middle face; an externalsurface having two side faces respectively parallel the side faces ofthe internal surface of the major connector; a bottom; a top; anabutting wall defined on the middle face of the internal surface of themajor connector between the side faces of the internal surface of themajor connector; two through holes respectively formed through the sidefaces of the internal surface and the external surface of the majorconnector and respectively aligning with two of the fastening holes ofthe adjacent transversal beams to enable the corresponding fasteners tomount through the through holes and to mounted in the correspondingfastening holes; and a mounting hole formed through the abutting walland the external surface of the major connector above the through holes;and four longitudinal columns connected to the major connectors betweenthe transversal beams, and each longitudinal column having a body havingtwo ends; two minor connectors respectively and securely mounted on theends of the body and respectively connected to two of the majorconnectors, and each minor connector having a locating segment mountedin a corresponding mounting hole of the body and having a bottom, a top,a middle and an external surface; a mounting stud formed on andprotruding from the top of the locating segment at the middle of thelocating segment, abutting the internal surface of a corresponding majorconnector and having an external surface; and a pressing wall formed onthe external surface of the mounting stud and facing and abutting theabutting wall of the corresponding major connector; and an assemblinghole transversally formed through the mounting stud between the pressingwall and the locating segment and aligning with the mounting hole of thecorresponding major connector; two fixing elements respectively mountedthrough the assembling holes of the minor connectors and securelymounted in the mounting holes of the corresponding major connectors toconnect the longitudinal column securely with the corresponding majorconnectors; multiple linking sets mounted on the body of thecorresponding longitudinal column at intervals, and each linking sethaving at least one linking block detachably mounted on the body of thecorresponding longitudinal column and each of the at least one linkingblock having a connecting tab formed on and protruding from an outerside of the linking block; and a connecting base mounted around theconnecting tab of the at least one linking block.
 2. The combined frameas claimed in claim 1, wherein each side cover has a positioning barformed on and protruding from the outer side of the side cover; and eachmajor connector has two positioning slots respectively formed in theside faces of the external surface of the major connector and mounted onthe positioning bars of two adjacent transversal beams.
 3. The combinedframe as claimed in claim 2, wherein each major connector has apositioning arm formed on and protruding from the bottom of the majorconnector along the internal surface of the major connector below thethrough holes of the corresponding major connector; the locating segmentof each minor connector has a locating recess formed in the externalsurface of the locating segment at the bottom of the locating segmentand mounted on the positioning arm of a corresponding major connector;and the positioning slots of each major connector are respectivelyformed in the side faces of the external surface of the major connectorfrom the top to the positioning arm of the major connector.
 4. Thecombined frame as claimed in claim 3, wherein each major connector has apositioning recess formed in the abutting wall between the mounting holeand the top of the major connector; and each minor connector has alocating protrusion formed on and protruding from the pressing wall ofthe mounting stud above the assembling hole and mounted in thepositioning recess of a corresponding major connector.
 5. The combinedframe as claimed in claim 4, wherein the positioning arm of each one ofthe major connector has an inner face and a mounting slot formed in theinner face of the positioning arm; and each major connector has awaterproof bar mounted on and abutting the inner face of the positioningarm and engaging the mounting slot of the positioning arm.
 6. Thecombined frame as claimed in claim 1, wherein each major connector has apositioning arm formed on and protruding from the bottom of the majorconnector along the internal surface of the major connector below thethrough holes of the corresponding major connector; and the locatingsegment of each minor connector has a locating recess formed in theexternal surface of the locating segment at the bottom of the locatingsegment and mounted on the positioning arm of a corresponding majorconnector.
 7. The combined frame as claimed in claim 6, wherein eachmajor connector has a positioning recess formed in the abutting wallbetween the mounting hole and the top of the major connector; and eachminor connector has a locating protrusion formed on and protruding fromthe pressing wall of the mounting stud above the assembling hole andmounted in the positioning recess of a corresponding major connector. 8.The combined frame as claimed in claim 7, wherein the positioning arm ofeach one of the major connector has an inner face and a mounting slotformed in the inner face of the positioning arm; and each majorconnector has a waterproof bar mounted on and abutting the inner face ofthe positioning arm and engaging the mounting slot of the positioningarm.